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8164407 = 314531873
BaseRepresentation
bin11111001001010000110111
3120100210110110
4133021100313
54042230112
6450554103
7126252636
oct37112067
916323413
108164407
114677049
122898933
1318cb214
14112751d
15ab413c
hex7c9437

8164407 has 8 divisors (see below), whose sum is σ = 10899184. Its totient is φ = 5436288.

The previous prime is 8164397. The next prime is 8164441. The reversal of 8164407 is 7044618.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8164407 - 222 = 3970103 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8164477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3423 + ... + 5295.

It is an arithmetic number, because the mean of its divisors is an integer number (1362398).

Almost surely, 28164407 is an apocalyptic number.

8164407 is a deficient number, since it is larger than the sum of its proper divisors (2734777).

8164407 is a wasteful number, since it uses less digits than its factorization.

8164407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3329.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 8164407 is about 2857.3426465862. The cubic root of 8164407 is about 201.3607787413.

The spelling of 8164407 in words is "eight million, one hundred sixty-four thousand, four hundred seven".

Divisors: 1 3 1453 1873 4359 5619 2721469 8164407